using System;

public class Program

{

    public static void Main()

    {

        int[,] matrixA = new int[3, 3] { { 1, 2, 3 }, { 1, 2, 4 }, { 3, 2, 4 } };

            int[,] matrixB = new int[3, 2] { { 1, 2 }, { 2, 3 }, { 3, 4 } };

            int[,] matrixC = new int[matrixA.GetLength(0), matrixB.GetLength(1)];

​

            // pokud neplati podminka nasobeni matic

            if (matrixA.GetLength(1) != matrixB.GetLength(0))

            {

                Console.WriteLine("Matice neni mozne mezi sebou nasobit.");

            }

            else // pokud plati podminka nasob matice

            {

                for (int i = 0; i < matrixA.GetLength(0); i++)

                {

                    for (int k = 0; k < matrixB.GetLength(1); k++)

                    {

                        int element = 0;

                        for (int j = 0; j < matrixA.GetLength(1); j++)

                        {

                            element += matrixA[i, j] * matrixB[j, k];

                        }

                        matrixC[i, k] = element; 

                    }

                }

            }

​

            Console.WriteLine("VYSLEDEK NASOBENI MATIC");

​

            Console.WriteLine("\nMatice A:\n");

​

            // vypis maticeA

            for (int i = 0; i < matrixA.GetLength(0); i++)

            {

                for (int j = 0; j < matrixA.GetLength(1); j++)

                {

                    Console.Write(matrixA[i, j] + " ");

                }

                Console.WriteLine();

            }

​

            Console.WriteLine("\nMatice B:\n");

​

            // vypis maticeB

            for (int i = 0; i < matrixB.GetLength(0); i++)

            {

                for (int j = 0; j < matrixB.GetLength(1); j++)

                {

                    Console.Write(matrixB[i, j] + " ");

                }

                Console.WriteLine();

            }

​

            // vypis matici C, vysledek nasobeni matic A a B

            Console.WriteLine("\nVysledek nasobeni - matice C:\n");

            for (int i = 0; i < matrixC.GetLength(0); i++)

            {

                for (int j = 0; j < matrixC.GetLength(1); j++)

                {

                    Console.Write(matrixC[i, j] + " ");

                }

                Console.WriteLine();

            }

​

    }

}